RAD-...-IFS
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PHOENIX CONTACT 105542_en_05
The table below shows typical delay times that have been determined under laboratory con-
ditions for frequency bands without any interference. The delay times may be higher or
lower in practice. The delay time is roughly doubled with each repeater in the network.
Table 8-1 Typical delay times
Frequency
band
Network application Data rate of the
serial interface
[kbps]
Data rate of the
wireless interface
[kbps]
Typ ica l
delay time
Tel egr am
length
1
2.4 GHz
I/O data mode -
250 150 ms
49 bytes
125 200 ms
16 500 ms
Serial data mode 19.2
250 20 ms
125 25 ms
16 120 ms
868 MHz
I/O data mode -
120 300 ms
49 bytes
60 500 ms
19.2 1 s
17 bytes9.6 2 s
1.2 10 s
Serial data mode 19.2
120 60 ms
49 bytes
60 120 ms
19.2 200 ms
17 bytes9.6 390 ms
1.2 2.8 s
1
I/O data mode: the telegram length depends on the number of I/O extension modules.
Serial data mode: the telegram length depends on the protocol used and the terminal devices that are connected to the serial interface.
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